Research radio telescopes, Cambridge UKResearch radio telescopes, Cambridge UKhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/research-radio-telescopes-cambridge-uk-image259599572.html

Observatory with city forest, Hagen, GermanyObservatory with city forest, Hagen, Germanyhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-observatory-with-city-forest-hagen-germany-80110193.html

The Radcliffe Observatory in OxfordThe Radcliffe Observatory in Oxfordhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-the-radcliffe-observatory-in-oxford-101655717.html

Old Royal Observatory Greenwich London UKOld Royal Observatory Greenwich London UKhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-old-royal-observatory-greenwich-london-uk-72828939.html